Crucial CT25672AA667 2 GB (1x2GB DDR2-667)

The Crucial CT25672AA667 2 GB arrives as a single module with 2GB of DDR2 on board. It is rated at 667 MT/s with a CAS latency of 5, working out to a true latency of about 15ns. Operating voltage sits at 1.35V. Once memory clears 3600 MT/s, frequency gains taper off, so the 2GB on offer here is the spec that counts for esports and everyday use.

Use the PlanMyPC system builder to verify it works alongside your other components and to watch live retailer pricing. Support and warranty service run through Crucial, with terms that vary by region. Scroll down for the complete spec table; the builder's compatibility checker will warn you about any conflicts with components you have already picked.